Ishtar is a 1987 American action comedy film written and directed by Elaine May and produced by Warren Beatty, who co-starred with Dustin Hoffman. The story revolves around a duo of incredibly untalented American lounge singers who travel to a booking in Morocco and stumble into a four-party Cold War standoff. Wikipedia
Chuck Clarke: (singing) Because of yourself, you don't know what I am.
Lyle Rogers: What?